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Review Question - QID 8683

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QID 8683 (Type "8683" in App Search)
A 62-year-old man with a long history of right shoulder pain and weakness is scheduled to undergo hemiarthroplasty. Based on the radiographs shown in Figures 6a through 6c, what preoperative factor will most affect postoperative functional outcome?
  • A
  • B
  • C

Humeral head erosion

1%

4/415

Glenoid erosion

22%

92/415

Rotator cuff integrity

74%

308/415

Status of the coracoacromial ligament

3%

11/415

Acromioclavicular arthritis

0%

0/415

  • A
  • B
  • C

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The radiographs reveal osteoarthritis and proximal humeral head migration. Integrity of the rotator cuff must be questioned based on these radiographic changes. The status of the rotator cuff is the most influential factor affecting postoperative function in shoulder hemiarthroplasty. The coracoacromial ligament provides a barrier to humeral head proximal migration in the face of a rotator cuff tear. The radiographs do not indicate significant humeral head or glenoid erosion. Acromioclavicular arthritis is often asymptomatic.

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